diff options
| -rw-r--r-- | src/libbsc/acc_ramp.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/libbsc/acc_ramp.c b/src/libbsc/acc_ramp.c index 16bce3f4b..7116107da 100644 --- a/src/libbsc/acc_ramp.c +++ b/src/libbsc/acc_ramp.c @@ -26,6 +26,7 @@ #include <osmocom/bsc/debug.h> #include <osmocom/bsc/acc_ramp.h> #include <osmocom/bsc/gsm_data.h> +#include <osmocom/bsc/chan_alloc.h> #include <osmocom/bsc/signal.h> /* @@ -257,7 +258,7 @@ void acc_ramp_set_step_interval_dynamic(struct acc_ramp *acc_ramp) /*! * Determine if ACC ramping should be started according to configuration, and - * if ACC ramping is enabled, begin the ramping process. + * begin the ramping process if the necessary conditions are present. * Perform at least one ramping step to allow 'step_size' ACCs. * If 'step_size' is ACC_RAMP_STEP_SIZE_MAX, or if ACC ramping is disabled, * all ACCs will be allowed immediately. @@ -269,9 +270,13 @@ void acc_ramp_trigger(struct acc_ramp *acc_ramp) acc_ramp_abort(acc_ramp); if (acc_ramp_is_enabled(acc_ramp)) { - /* Set all available ACCs to barred and start ramping up. */ - barr_all_accs(acc_ramp); - do_acc_ramping_step(acc_ramp); + struct gsm_bts_trx *trx0 = gsm_bts_trx_by_nr(acc_ramp->bts, 0); + /* TRX 0 should be usable and unlocked, otherwise starting ACC ramping is pointless. */ + if (trx0 && trx_is_usable(trx0) && trx0->mo.nm_state.administrative == NM_STATE_UNLOCKED) { + /* Set all available ACCs to barred and start ramping up. */ + barr_all_accs(acc_ramp); + do_acc_ramping_step(acc_ramp); + } } } |